.btn-group {
    margin-top: 30px;
    text-align: center;
    width: 100%;
}
.btn-group>.btn {
    padding: 10px;
    font-size: 16px;
    color: white;
    background-color: #4D682E;
    border-radius: 10px;
    text-align: center;
    width: 60%;
    margin: 0 auto;
}
.van-field__left-icon .van-icon, .van-field__right-icon .van-icon {
    font-size: 30px;
    color: #4D682E;
    font-weight: 700;
}